Home / 85,925.04-118,628.40-56,168.88

Finding the Fourth Proportional to 85,925.04, 118,628.40 and 56,168.88

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Solution

The fourth proportional to 85,925.04, 118,628.40 and 56,168.88 is: 77,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,925.04 : 118,628.40 = 56,168.88 : x
  2. Step 2: Convert to fraction form
    85,925.04/118,628.40 = 56,168.88/x
  3. Step 3: Cross multiply
    85,925.04x = 118,628.40 × 56,168.88
  4. Step 4: Simplify right side
    85,925.04x = 6,663,224,364.19
  5. Step 5: Solve for x
    x = 6,663,224,364.19/85,925.04
  6. Step 6: Final answer
    x = 77,546.95

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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.