Home / 124,012.87-171,143.61-70,298.93

Finding the Fourth Proportional to 124,012.87, 171,143.61 and 70,298.93

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Solution

The fourth proportional to 124,012.87, 171,143.61 and 70,298.93 is: 97,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,012.87 : 171,143.61 = 70,298.93 : x
  2. Step 2: Convert to fraction form
    124,012.87/171,143.61 = 70,298.93/x
  3. Step 3: Cross multiply
    124,012.87x = 171,143.61 × 70,298.93
  4. Step 4: Simplify right side
    124,012.87x = 12,031,212,659.34
  5. Step 5: Solve for x
    x = 12,031,212,659.34/124,012.87
  6. Step 6: Final answer
    x = 97,015.84

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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.