Home / 98,797.06-136,341.03-56,358.10

Finding the Fourth Proportional to 98,797.06, 136,341.03 and 56,358.10

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Solution

The fourth proportional to 98,797.06, 136,341.03 and 56,358.10 is: 77,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,797.06 : 136,341.03 = 56,358.10 : x
  2. Step 2: Convert to fraction form
    98,797.06/136,341.03 = 56,358.10/x
  3. Step 3: Cross multiply
    98,797.06x = 136,341.03 × 56,358.10
  4. Step 4: Simplify right side
    98,797.06x = 7,683,921,402.84
  5. Step 5: Solve for x
    x = 7,683,921,402.84/98,797.06
  6. Step 6: Final answer
    x = 77,774.80

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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.