Home / 118,482.08-163,508.40-70,762.95

Finding the Fourth Proportional to 118,482.08, 163,508.40 and 70,762.95

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Solution

The fourth proportional to 118,482.08, 163,508.40 and 70,762.95 is: 97,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,482.08 : 163,508.40 = 70,762.95 : x
  2. Step 2: Convert to fraction form
    118,482.08/163,508.40 = 70,762.95/x
  3. Step 3: Cross multiply
    118,482.08x = 163,508.40 × 70,762.95
  4. Step 4: Simplify right side
    118,482.08x = 11,570,336,733.78
  5. Step 5: Solve for x
    x = 11,570,336,733.78/118,482.08
  6. Step 6: Final answer
    x = 97,654.74

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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.