Home / 70,890.08-97,827.04-39,061.92

Finding the Fourth Proportional to 70,890.08, 97,827.04 and 39,061.92

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Solution

The fourth proportional to 70,890.08, 97,827.04 and 39,061.92 is: 53,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.08 : 97,827.04 = 39,061.92 : x
  2. Step 2: Convert to fraction form
    70,890.08/97,827.04 = 39,061.92/x
  3. Step 3: Cross multiply
    70,890.08x = 97,827.04 × 39,061.92
  4. Step 4: Simplify right side
    70,890.08x = 3,821,312,010.32
  5. Step 5: Solve for x
    x = 3,821,312,010.32/70,890.08
  6. Step 6: Final answer
    x = 53,904.75

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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.