Home / 77,328.47-106,711.53-45,061.07

Finding the Fourth Proportional to 77,328.47, 106,711.53 and 45,061.07

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Solution

The fourth proportional to 77,328.47, 106,711.53 and 45,061.07 is: 62,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,328.47 : 106,711.53 = 45,061.07 : x
  2. Step 2: Convert to fraction form
    77,328.47/106,711.53 = 45,061.07/x
  3. Step 3: Cross multiply
    77,328.47x = 106,711.53 × 45,061.07
  4. Step 4: Simplify right side
    77,328.47x = 4,808,535,723.14
  5. Step 5: Solve for x
    x = 4,808,535,723.14/77,328.47
  6. Step 6: Final answer
    x = 62,183.25

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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.