Home / 74,343.32-102,590.70-40,810.04

Finding the Fourth Proportional to 74,343.32, 102,590.70 and 40,810.04

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Solution

The fourth proportional to 74,343.32, 102,590.70 and 40,810.04 is: 56,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,343.32 : 102,590.70 = 40,810.04 : x
  2. Step 2: Convert to fraction form
    74,343.32/102,590.70 = 40,810.04/x
  3. Step 3: Cross multiply
    74,343.32x = 102,590.70 × 40,810.04
  4. Step 4: Simplify right side
    74,343.32x = 4,186,730,570.63
  5. Step 5: Solve for x
    x = 4,186,730,570.63/74,343.32
  6. Step 6: Final answer
    x = 56,316.16

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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.