Home / 98,950.26-136,575.13-56,533.40

Finding the Fourth Proportional to 98,950.26, 136,575.13 and 56,533.40

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Solution

The fourth proportional to 98,950.26, 136,575.13 and 56,533.40 is: 78,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,950.26 : 136,575.13 = 56,533.40 : x
  2. Step 2: Convert to fraction form
    98,950.26/136,575.13 = 56,533.40/x
  3. Step 3: Cross multiply
    98,950.26x = 136,575.13 × 56,533.40
  4. Step 4: Simplify right side
    98,950.26x = 7,721,056,248.29
  5. Step 5: Solve for x
    x = 7,721,056,248.29/98,950.26
  6. Step 6: Final answer
    x = 78,029.67

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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.