Home / 62,971.88-86,873.08-42,547.36

Finding the Fourth Proportional to 62,971.88, 86,873.08 and 42,547.36

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Solution

The fourth proportional to 62,971.88, 86,873.08 and 42,547.36 is: 58,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,971.88 : 86,873.08 = 42,547.36 : x
  2. Step 2: Convert to fraction form
    62,971.88/86,873.08 = 42,547.36/x
  3. Step 3: Cross multiply
    62,971.88x = 86,873.08 × 42,547.36
  4. Step 4: Simplify right side
    62,971.88x = 3,696,220,209.07
  5. Step 5: Solve for x
    x = 3,696,220,209.07/62,971.88
  6. Step 6: Final answer
    x = 58,696.36

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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.