Home / 64,577.51-89,124.18-39,097.91

Finding the Fourth Proportional to 64,577.51, 89,124.18 and 39,097.91

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Solution

The fourth proportional to 64,577.51, 89,124.18 and 39,097.91 is: 53,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,577.51 : 89,124.18 = 39,097.91 : x
  2. Step 2: Convert to fraction form
    64,577.51/89,124.18 = 39,097.91/x
  3. Step 3: Cross multiply
    64,577.51x = 89,124.18 × 39,097.91
  4. Step 4: Simplify right side
    64,577.51x = 3,484,569,391.27
  5. Step 5: Solve for x
    x = 3,484,569,391.27/64,577.51
  6. Step 6: Final answer
    x = 53,959.49

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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.