Home / 62,528.09-86,307.53-54,120.47

Finding the Fourth Proportional to 62,528.09, 86,307.53 and 54,120.47

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Solution

The fourth proportional to 62,528.09, 86,307.53 and 54,120.47 is: 74,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,528.09 : 86,307.53 = 54,120.47 : x
  2. Step 2: Convert to fraction form
    62,528.09/86,307.53 = 54,120.47/x
  3. Step 3: Cross multiply
    62,528.09x = 86,307.53 × 54,120.47
  4. Step 4: Simplify right side
    62,528.09x = 4,671,003,386.00
  5. Step 5: Solve for x
    x = 4,671,003,386.00/62,528.09
  6. Step 6: Final answer
    x = 74,702.49

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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.