Home / 74,737.87-103,117.38-42,895.15

Finding the Fourth Proportional to 74,737.87, 103,117.38 and 42,895.15

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Solution

The fourth proportional to 74,737.87, 103,117.38 and 42,895.15 is: 59,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,737.87 : 103,117.38 = 42,895.15 : x
  2. Step 2: Convert to fraction form
    74,737.87/103,117.38 = 42,895.15/x
  3. Step 3: Cross multiply
    74,737.87x = 103,117.38 × 42,895.15
  4. Step 4: Simplify right side
    74,737.87x = 4,423,235,482.71
  5. Step 5: Solve for x
    x = 4,423,235,482.71/74,737.87
  6. Step 6: Final answer
    x = 59,183.32

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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.