Home / 74,663.04-103,034.76-40,673.40

Finding the Fourth Proportional to 74,663.04, 103,034.76 and 40,673.40

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Solution

The fourth proportional to 74,663.04, 103,034.76 and 40,673.40 is: 56,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,663.04 : 103,034.76 = 40,673.40 : x
  2. Step 2: Convert to fraction form
    74,663.04/103,034.76 = 40,673.40/x
  3. Step 3: Cross multiply
    74,663.04x = 103,034.76 × 40,673.40
  4. Step 4: Simplify right side
    74,663.04x = 4,190,774,007.38
  5. Step 5: Solve for x
    x = 4,190,774,007.38/74,663.04
  6. Step 6: Final answer
    x = 56,129.16

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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.