Home / 53,686.17-74,084.40-29,814.30

Finding the Fourth Proportional to 53,686.17, 74,084.40 and 29,814.30

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Solution

The fourth proportional to 53,686.17, 74,084.40 and 29,814.30 is: 41,142.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.17 : 74,084.40 = 29,814.30 : x
  2. Step 2: Convert to fraction form
    53,686.17/74,084.40 = 29,814.30/x
  3. Step 3: Cross multiply
    53,686.17x = 74,084.40 × 29,814.30
  4. Step 4: Simplify right side
    53,686.17x = 2,208,774,526.92
  5. Step 5: Solve for x
    x = 2,208,774,526.92/53,686.17
  6. Step 6: Final answer
    x = 41,142.34

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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.