Home / 88,655.69-122,326.93-56,403.11

Finding the Fourth Proportional to 88,655.69, 122,326.93 and 56,403.11

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Solution

The fourth proportional to 88,655.69, 122,326.93 and 56,403.11 is: 77,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,655.69 : 122,326.93 = 56,403.11 : x
  2. Step 2: Convert to fraction form
    88,655.69/122,326.93 = 56,403.11/x
  3. Step 3: Cross multiply
    88,655.69x = 122,326.93 × 56,403.11
  4. Step 4: Simplify right side
    88,655.69x = 6,899,619,288.75
  5. Step 5: Solve for x
    x = 6,899,619,288.75/88,655.69
  6. Step 6: Final answer
    x = 77,824.89

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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.