Home / 77,278.94-106,646.29-43,287.14

Finding the Fourth Proportional to 77,278.94, 106,646.29 and 43,287.14

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Solution

The fourth proportional to 77,278.94, 106,646.29 and 43,287.14 is: 59,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278.94 : 106,646.29 = 43,287.14 : x
  2. Step 2: Convert to fraction form
    77,278.94/106,646.29 = 43,287.14/x
  3. Step 3: Cross multiply
    77,278.94x = 106,646.29 × 43,287.14
  4. Step 4: Simplify right side
    77,278.94x = 4,616,412,885.71
  5. Step 5: Solve for x
    x = 4,616,412,885.71/77,278.94
  6. Step 6: Final answer
    x = 59,737.01

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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.