Home / 91,036.17-125,650.04-59,149.71

Finding the Fourth Proportional to 91,036.17, 125,650.04 and 59,149.71

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Solution

The fourth proportional to 91,036.17, 125,650.04 and 59,149.71 is: 81,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,036.17 : 125,650.04 = 59,149.71 : x
  2. Step 2: Convert to fraction form
    91,036.17/125,650.04 = 59,149.71/x
  3. Step 3: Cross multiply
    91,036.17x = 125,650.04 × 59,149.71
  4. Step 4: Simplify right side
    91,036.17x = 7,432,163,131.74
  5. Step 5: Solve for x
    x = 7,432,163,131.74/91,036.17
  6. Step 6: Final answer
    x = 81,639.67

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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.