Home / 78,663.56-118,022.67-26,077.14

Finding the Fourth Proportional to 78,663.56, 118,022.67 and 26,077.14

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Solution

The fourth proportional to 78,663.56, 118,022.67 and 26,077.14 is: 39,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,663.56 : 118,022.67 = 26,077.14 : x
  2. Step 2: Convert to fraction form
    78,663.56/118,022.67 = 26,077.14/x
  3. Step 3: Cross multiply
    78,663.56x = 118,022.67 × 26,077.14
  4. Step 4: Simplify right side
    78,663.56x = 3,077,693,688.76
  5. Step 5: Solve for x
    x = 3,077,693,688.76/78,663.56
  6. Step 6: Final answer
    x = 39,124.77

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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.