Home / 70,287.04-96,998.53-38,455.93

Finding the Fourth Proportional to 70,287.04, 96,998.53 and 38,455.93

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Solution

The fourth proportional to 70,287.04, 96,998.53 and 38,455.93 is: 53,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,287.04 : 96,998.53 = 38,455.93 : x
  2. Step 2: Convert to fraction form
    70,287.04/96,998.53 = 38,455.93/x
  3. Step 3: Cross multiply
    70,287.04x = 96,998.53 × 38,455.93
  4. Step 4: Simplify right side
    70,287.04x = 3,730,168,679.78
  5. Step 5: Solve for x
    x = 3,730,168,679.78/70,287.04
  6. Step 6: Final answer
    x = 53,070.50

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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.