Home / 88,162.08-121,663.29-47,875.51

Finding the Fourth Proportional to 88,162.08, 121,663.29 and 47,875.51

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Solution

The fourth proportional to 88,162.08, 121,663.29 and 47,875.51 is: 66,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,162.08 : 121,663.29 = 47,875.51 : x
  2. Step 2: Convert to fraction form
    88,162.08/121,663.29 = 47,875.51/x
  3. Step 3: Cross multiply
    88,162.08x = 121,663.29 × 47,875.51
  4. Step 4: Simplify right side
    88,162.08x = 5,824,692,057.03
  5. Step 5: Solve for x
    x = 5,824,692,057.03/88,162.08
  6. Step 6: Final answer
    x = 66,068.00

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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.