Home / 74,349.36-102,621.06-42,528.24

Finding the Fourth Proportional to 74,349.36, 102,621.06 and 42,528.24

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Solution

The fourth proportional to 74,349.36, 102,621.06 and 42,528.24 is: 58,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,349.36 : 102,621.06 = 42,528.24 : x
  2. Step 2: Convert to fraction form
    74,349.36/102,621.06 = 42,528.24/x
  3. Step 3: Cross multiply
    74,349.36x = 102,621.06 × 42,528.24
  4. Step 4: Simplify right side
    74,349.36x = 4,364,293,068.73
  5. Step 5: Solve for x
    x = 4,364,293,068.73/74,349.36
  6. Step 6: Final answer
    x = 58,699.81

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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.