Home / 78,947.43-118,319.09-59,070.03

Finding the Fourth Proportional to 78,947.43, 118,319.09 and 59,070.03

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Solution

The fourth proportional to 78,947.43, 118,319.09 and 59,070.03 is: 88,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,947.43 : 118,319.09 = 59,070.03 : x
  2. Step 2: Convert to fraction form
    78,947.43/118,319.09 = 59,070.03/x
  3. Step 3: Cross multiply
    78,947.43x = 118,319.09 × 59,070.03
  4. Step 4: Simplify right side
    78,947.43x = 6,989,111,900.52
  5. Step 5: Solve for x
    x = 6,989,111,900.52/78,947.43
  6. Step 6: Final answer
    x = 88,528.68

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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.