Home / 124,683.68-172,056.48-70,981.76

Finding the Fourth Proportional to 124,683.68, 172,056.48 and 70,981.76

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Solution

The fourth proportional to 124,683.68, 172,056.48 and 70,981.76 is: 97,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,683.68 : 172,056.48 = 70,981.76 : x
  2. Step 2: Convert to fraction form
    124,683.68/172,056.48 = 70,981.76/x
  3. Step 3: Cross multiply
    124,683.68x = 172,056.48 × 70,981.76
  4. Step 4: Simplify right side
    124,683.68x = 12,212,871,769.80
  5. Step 5: Solve for x
    x = 12,212,871,769.80/124,683.68
  6. Step 6: Final answer
    x = 97,950.84

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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.