Home / 124,647.48-172,015.74-70,926.84

Finding the Fourth Proportional to 124,647.48, 172,015.74 and 70,926.84

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Solution

The fourth proportional to 124,647.48, 172,015.74 and 70,926.84 is: 97,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,647.48 : 172,015.74 = 70,926.84 : x
  2. Step 2: Convert to fraction form
    124,647.48/172,015.74 = 70,926.84/x
  3. Step 3: Cross multiply
    124,647.48x = 172,015.74 × 70,926.84
  4. Step 4: Simplify right side
    124,647.48x = 12,200,532,868.46
  5. Step 5: Solve for x
    x = 12,200,532,868.46/124,647.48
  6. Step 6: Final answer
    x = 97,880.30

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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.