Home / 74,507.04-102,827.52-42,670.08

Finding the Fourth Proportional to 74,507.04, 102,827.52 and 42,670.08

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Solution

The fourth proportional to 74,507.04, 102,827.52 and 42,670.08 is: 58,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,507.04 : 102,827.52 = 42,670.08 : x
  2. Step 2: Convert to fraction form
    74,507.04/102,827.52 = 42,670.08/x
  3. Step 3: Cross multiply
    74,507.04x = 102,827.52 × 42,670.08
  4. Step 4: Simplify right side
    74,507.04x = 4,387,658,504.60
  5. Step 5: Solve for x
    x = 4,387,658,504.60/74,507.04
  6. Step 6: Final answer
    x = 58,889.18

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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.