Home / 79,931.70-119,897.55-56,085.30

Finding the Fourth Proportional to 79,931.70, 119,897.55 and 56,085.30

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Solution

The fourth proportional to 79,931.70, 119,897.55 and 56,085.30 is: 84,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,931.70 : 119,897.55 = 56,085.30 : x
  2. Step 2: Convert to fraction form
    79,931.70/119,897.55 = 56,085.30/x
  3. Step 3: Cross multiply
    79,931.70x = 119,897.55 × 56,085.30
  4. Step 4: Simplify right side
    79,931.70x = 6,724,490,061.02
  5. Step 5: Solve for x
    x = 6,724,490,061.02/79,931.70
  6. Step 6: Final answer
    x = 84,127.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.