Home / 85,868.60-118,526.54-55,600.52

Finding the Fourth Proportional to 85,868.60, 118,526.54 and 55,600.52

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Solution

The fourth proportional to 85,868.60, 118,526.54 and 55,600.52 is: 76,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,868.60 : 118,526.54 = 55,600.52 : x
  2. Step 2: Convert to fraction form
    85,868.60/118,526.54 = 55,600.52/x
  3. Step 3: Cross multiply
    85,868.60x = 118,526.54 × 55,600.52
  4. Step 4: Simplify right side
    85,868.60x = 6,590,136,387.17
  5. Step 5: Solve for x
    x = 6,590,136,387.17/85,868.60
  6. Step 6: Final answer
    x = 76,746.76

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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.