Home / 71,364.68-98,368.48-48,387.06

Finding the Fourth Proportional to 71,364.68, 98,368.48 and 48,387.06

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Solution

The fourth proportional to 71,364.68, 98,368.48 and 48,387.06 is: 66,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364.68 : 98,368.48 = 48,387.06 : x
  2. Step 2: Convert to fraction form
    71,364.68/98,368.48 = 48,387.06/x
  3. Step 3: Cross multiply
    71,364.68x = 98,368.48 × 48,387.06
  4. Step 4: Simplify right side
    71,364.68x = 4,759,761,543.87
  5. Step 5: Solve for x
    x = 4,759,761,543.87/71,364.68
  6. Step 6: Final answer
    x = 66,696.32

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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.