Home / 88,820.90-133,058.55-53,656.10

Finding the Fourth Proportional to 88,820.90, 133,058.55 and 53,656.10

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Solution

The fourth proportional to 88,820.90, 133,058.55 and 53,656.10 is: 80,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,820.90 : 133,058.55 = 53,656.10 : x
  2. Step 2: Convert to fraction form
    88,820.90/133,058.55 = 53,656.10/x
  3. Step 3: Cross multiply
    88,820.90x = 133,058.55 × 53,656.10
  4. Step 4: Simplify right side
    88,820.90x = 7,139,402,864.66
  5. Step 5: Solve for x
    x = 7,139,402,864.66/88,820.90
  6. Step 6: Final answer
    x = 80,379.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.