Home / 70,948.02-97,806.54-55,814.40

Finding the Fourth Proportional to 70,948.02, 97,806.54 and 55,814.40

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Solution

The fourth proportional to 70,948.02, 97,806.54 and 55,814.40 is: 76,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,948.02 : 97,806.54 = 55,814.40 : x
  2. Step 2: Convert to fraction form
    70,948.02/97,806.54 = 55,814.40/x
  3. Step 3: Cross multiply
    70,948.02x = 97,806.54 × 55,814.40
  4. Step 4: Simplify right side
    70,948.02x = 5,459,013,346.18
  5. Step 5: Solve for x
    x = 5,459,013,346.18/70,948.02
  6. Step 6: Final answer
    x = 76,943.84

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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.