Home / 98,421.53-147,596.07-77,402.64

Finding the Fourth Proportional to 98,421.53, 147,596.07 and 77,402.64

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Solution

The fourth proportional to 98,421.53, 147,596.07 and 77,402.64 is: 116,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,421.53 : 147,596.07 = 77,402.64 : x
  2. Step 2: Convert to fraction form
    98,421.53/147,596.07 = 77,402.64/x
  3. Step 3: Cross multiply
    98,421.53x = 147,596.07 × 77,402.64
  4. Step 4: Simplify right side
    98,421.53x = 11,424,325,485.14
  5. Step 5: Solve for x
    x = 11,424,325,485.14/98,421.53
  6. Step 6: Final answer
    x = 116,075.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.