Home / 88,431.60-122,031.64-48,144.32

Finding the Fourth Proportional to 88,431.60, 122,031.64 and 48,144.32

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Solution

The fourth proportional to 88,431.60, 122,031.64 and 48,144.32 is: 66,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,431.60 : 122,031.64 = 48,144.32 : x
  2. Step 2: Convert to fraction form
    88,431.60/122,031.64 = 48,144.32/x
  3. Step 3: Cross multiply
    88,431.60x = 122,031.64 × 48,144.32
  4. Step 4: Simplify right side
    88,431.60x = 5,875,130,326.28
  5. Step 5: Solve for x
    x = 5,875,130,326.28/88,431.60
  6. Step 6: Final answer
    x = 66,437.00

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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.