Home / 81,373.71-112,302.45-45,567.06

Finding the Fourth Proportional to 81,373.71, 112,302.45 and 45,567.06

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Solution

The fourth proportional to 81,373.71, 112,302.45 and 45,567.06 is: 62,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,373.71 : 112,302.45 = 45,567.06 : x
  2. Step 2: Convert to fraction form
    81,373.71/112,302.45 = 45,567.06/x
  3. Step 3: Cross multiply
    81,373.71x = 112,302.45 × 45,567.06
  4. Step 4: Simplify right side
    81,373.71x = 5,117,292,056.16
  5. Step 5: Solve for x
    x = 5,117,292,056.16/81,373.71
  6. Step 6: Final answer
    x = 62,886.30

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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.