Home / 71,043.40-98,032.91-39,210.24

Finding the Fourth Proportional to 71,043.40, 98,032.91 and 39,210.24

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Solution

The fourth proportional to 71,043.40, 98,032.91 and 39,210.24 is: 54,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043.40 : 98,032.91 = 39,210.24 : x
  2. Step 2: Convert to fraction form
    71,043.40/98,032.91 = 39,210.24/x
  3. Step 3: Cross multiply
    71,043.40x = 98,032.91 × 39,210.24
  4. Step 4: Simplify right side
    71,043.40x = 3,843,893,929.00
  5. Step 5: Solve for x
    x = 3,843,893,929.00/71,043.40
  6. Step 6: Final answer
    x = 54,106.28

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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.