Home / 98,650.98-136,141.48-56,212.24

Finding the Fourth Proportional to 98,650.98, 136,141.48 and 56,212.24

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Solution

The fourth proportional to 98,650.98, 136,141.48 and 56,212.24 is: 77,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,650.98 : 136,141.48 = 56,212.24 : x
  2. Step 2: Convert to fraction form
    98,650.98/136,141.48 = 56,212.24/x
  3. Step 3: Cross multiply
    98,650.98x = 136,141.48 × 56,212.24
  4. Step 4: Simplify right side
    98,650.98x = 7,652,817,547.72
  5. Step 5: Solve for x
    x = 7,652,817,547.72/98,650.98
  6. Step 6: Final answer
    x = 77,574.67

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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.