Home / 77,688.29-116,532.47-30,973.97

Finding the Fourth Proportional to 77,688.29, 116,532.47 and 30,973.97

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Solution

The fourth proportional to 77,688.29, 116,532.47 and 30,973.97 is: 46,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,688.29 : 116,532.47 = 30,973.97 : x
  2. Step 2: Convert to fraction form
    77,688.29/116,532.47 = 30,973.97/x
  3. Step 3: Cross multiply
    77,688.29x = 116,532.47 × 30,973.97
  4. Step 4: Simplify right side
    77,688.29x = 3,609,473,366.27
  5. Step 5: Solve for x
    x = 3,609,473,366.27/77,688.29
  6. Step 6: Final answer
    x = 46,460.97

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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.