Home / 88,010.01-121,421.93-57,811.59

Finding the Fourth Proportional to 88,010.01, 121,421.93 and 57,811.59

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Solution

The fourth proportional to 88,010.01, 121,421.93 and 57,811.59 is: 79,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,010.01 : 121,421.93 = 57,811.59 : x
  2. Step 2: Convert to fraction form
    88,010.01/121,421.93 = 57,811.59/x
  3. Step 3: Cross multiply
    88,010.01x = 121,421.93 × 57,811.59
  4. Step 4: Simplify right side
    88,010.01x = 7,019,594,545.11
  5. Step 5: Solve for x
    x = 7,019,594,545.11/88,010.01
  6. Step 6: Final answer
    x = 79,759.05

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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.