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Finding the Fourth Proportional to 91,048.94, 125,602.87 and 60,841.67

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Solution

The fourth proportional to 91,048.94, 125,602.87 and 60,841.67 is: 83,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,048.94 : 125,602.87 = 60,841.67 : x
  2. Step 2: Convert to fraction form
    91,048.94/125,602.87 = 60,841.67/x
  3. Step 3: Cross multiply
    91,048.94x = 125,602.87 × 60,841.67
  4. Step 4: Simplify right side
    91,048.94x = 7,641,888,063.38
  5. Step 5: Solve for x
    x = 7,641,888,063.38/91,048.94
  6. Step 6: Final answer
    x = 83,931.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.