Home / 88,130.23-121,620.59-47,844.32

Finding the Fourth Proportional to 88,130.23, 121,620.59 and 47,844.32

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Solution

The fourth proportional to 88,130.23, 121,620.59 and 47,844.32 is: 66,025.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130.23 : 121,620.59 = 47,844.32 : x
  2. Step 2: Convert to fraction form
    88,130.23/121,620.59 = 47,844.32/x
  3. Step 3: Cross multiply
    88,130.23x = 121,620.59 × 47,844.32
  4. Step 4: Simplify right side
    88,130.23x = 5,818,854,442.76
  5. Step 5: Solve for x
    x = 5,818,854,442.76/88,130.23
  6. Step 6: Final answer
    x = 66,025.64

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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.