Home / 98,924.80-136,563.51-56,475.13

Finding the Fourth Proportional to 98,924.80, 136,563.51 and 56,475.13

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Solution

The fourth proportional to 98,924.80, 136,563.51 and 56,475.13 is: 77,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,924.80 : 136,563.51 = 56,475.13 : x
  2. Step 2: Convert to fraction form
    98,924.80/136,563.51 = 56,475.13/x
  3. Step 3: Cross multiply
    98,924.80x = 136,563.51 × 56,475.13
  4. Step 4: Simplify right side
    98,924.80x = 7,712,441,980.51
  5. Step 5: Solve for x
    x = 7,712,441,980.51/98,924.80
  6. Step 6: Final answer
    x = 77,962.67

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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.