Home / 66,708.60-92,070.18-42,865.08

Finding the Fourth Proportional to 66,708.60, 92,070.18 and 42,865.08

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Solution

The fourth proportional to 66,708.60, 92,070.18 and 42,865.08 is: 59,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708.60 : 92,070.18 = 42,865.08 : x
  2. Step 2: Convert to fraction form
    66,708.60/92,070.18 = 42,865.08/x
  3. Step 3: Cross multiply
    66,708.60x = 92,070.18 × 42,865.08
  4. Step 4: Simplify right side
    66,708.60x = 3,946,595,631.31
  5. Step 5: Solve for x
    x = 3,946,595,631.31/66,708.60
  6. Step 6: Final answer
    x = 59,161.72

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1.5x scale

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.