Home / 77,715.81-116,573.76-31,001.49

Finding the Fourth Proportional to 77,715.81, 116,573.76 and 31,001.49

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Solution

The fourth proportional to 77,715.81, 116,573.76 and 31,001.49 is: 46,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,715.81 : 116,573.76 = 31,001.49 : x
  2. Step 2: Convert to fraction form
    77,715.81/116,573.76 = 31,001.49/x
  3. Step 3: Cross multiply
    77,715.81x = 116,573.76 × 31,001.49
  4. Step 4: Simplify right side
    77,715.81x = 3,613,960,254.90
  5. Step 5: Solve for x
    x = 3,613,960,254.90/77,715.81
  6. Step 6: Final answer
    x = 46,502.25

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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.