Home / 102,875.16-141,971.76-60,433.32

Finding the Fourth Proportional to 102,875.16, 141,971.76 and 60,433.32

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Solution

The fourth proportional to 102,875.16, 141,971.76 and 60,433.32 is: 83,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,875.16 : 141,971.76 = 60,433.32 : x
  2. Step 2: Convert to fraction form
    102,875.16/141,971.76 = 60,433.32/x
  3. Step 3: Cross multiply
    102,875.16x = 141,971.76 × 60,433.32
  4. Step 4: Simplify right side
    102,875.16x = 8,579,824,803.04
  5. Step 5: Solve for x
    x = 8,579,824,803.04/102,875.16
  6. Step 6: Final answer
    x = 83,400.35

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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.