Home / 118,501.08-163,531.58-64,785.24

Finding the Fourth Proportional to 118,501.08, 163,531.58 and 64,785.24

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Solution

The fourth proportional to 118,501.08, 163,531.58 and 64,785.24 is: 89,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,501.08 : 163,531.58 = 64,785.24 : x
  2. Step 2: Convert to fraction form
    118,501.08/163,531.58 = 64,785.24/x
  3. Step 3: Cross multiply
    118,501.08x = 163,531.58 × 64,785.24
  4. Step 4: Simplify right side
    118,501.08x = 10,594,432,657.88
  5. Step 5: Solve for x
    x = 10,594,432,657.88/118,501.08
  6. Step 6: Final answer
    x = 89,403.68

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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.