Home / 91,740.63-126,603.27-55,437.03

Finding the Fourth Proportional to 91,740.63, 126,603.27 and 55,437.03

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Solution

The fourth proportional to 91,740.63, 126,603.27 and 55,437.03 is: 76,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,740.63 : 126,603.27 = 55,437.03 : x
  2. Step 2: Convert to fraction form
    91,740.63/126,603.27 = 55,437.03/x
  3. Step 3: Cross multiply
    91,740.63x = 126,603.27 × 55,437.03
  4. Step 4: Simplify right side
    91,740.63x = 7,018,509,277.09
  5. Step 5: Solve for x
    x = 7,018,509,277.09/91,740.63
  6. Step 6: Final answer
    x = 76,503.83

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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.