Home / 54,070.63-74,627.14-31,416.80

Finding the Fourth Proportional to 54,070.63, 74,627.14 and 31,416.80

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Solution

The fourth proportional to 54,070.63, 74,627.14 and 31,416.80 is: 43,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,070.63 : 74,627.14 = 31,416.80 : x
  2. Step 2: Convert to fraction form
    54,070.63/74,627.14 = 31,416.80/x
  3. Step 3: Cross multiply
    54,070.63x = 74,627.14 × 31,416.80
  4. Step 4: Simplify right side
    54,070.63x = 2,344,545,931.95
  5. Step 5: Solve for x
    x = 2,344,545,931.95/54,070.63
  6. Step 6: Final answer
    x = 43,360.80

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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.