Home / 98,590.23-136,054.28-56,148.86

Finding the Fourth Proportional to 98,590.23, 136,054.28 and 56,148.86

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Solution

The fourth proportional to 98,590.23, 136,054.28 and 56,148.86 is: 77,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,590.23 : 136,054.28 = 56,148.86 : x
  2. Step 2: Convert to fraction form
    98,590.23/136,054.28 = 56,148.86/x
  3. Step 3: Cross multiply
    98,590.23x = 136,054.28 × 56,148.86
  4. Step 4: Simplify right side
    98,590.23x = 7,639,293,200.63
  5. Step 5: Solve for x
    x = 7,639,293,200.63/98,590.23
  6. Step 6: Final answer
    x = 77,485.30

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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.