Home / 92,421.34-127,535.51-52,674.78

Finding the Fourth Proportional to 92,421.34, 127,535.51 and 52,674.78

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Solution

The fourth proportional to 92,421.34, 127,535.51 and 52,674.78 is: 72,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,421.34 : 127,535.51 = 52,674.78 : x
  2. Step 2: Convert to fraction form
    92,421.34/127,535.51 = 52,674.78/x
  3. Step 3: Cross multiply
    92,421.34x = 127,535.51 × 52,674.78
  4. Step 4: Simplify right side
    92,421.34x = 6,717,904,931.44
  5. Step 5: Solve for x
    x = 6,717,904,931.44/92,421.34
  6. Step 6: Final answer
    x = 72,687.81

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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.