Home / 70,130.00-96,779.76-38,298.90

Finding the Fourth Proportional to 70,130.00, 96,779.76 and 38,298.90

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Solution

The fourth proportional to 70,130.00, 96,779.76 and 38,298.90 is: 52,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130.00 : 96,779.76 = 38,298.90 : x
  2. Step 2: Convert to fraction form
    70,130.00/96,779.76 = 38,298.90/x
  3. Step 3: Cross multiply
    70,130.00x = 96,779.76 × 38,298.90
  4. Step 4: Simplify right side
    70,130.00x = 3,706,558,254.52
  5. Step 5: Solve for x
    x = 3,706,558,254.52/70,130.00
  6. Step 6: Final answer
    x = 52,852.68

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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.