Home / 70,606.19-97,438.24-38,775.77

Finding the Fourth Proportional to 70,606.19, 97,438.24 and 38,775.77

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Solution

The fourth proportional to 70,606.19, 97,438.24 and 38,775.77 is: 53,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,606.19 : 97,438.24 = 38,775.77 : x
  2. Step 2: Convert to fraction form
    70,606.19/97,438.24 = 38,775.77/x
  3. Step 3: Cross multiply
    70,606.19x = 97,438.24 × 38,775.77
  4. Step 4: Simplify right side
    70,606.19x = 3,778,242,492.00
  5. Step 5: Solve for x
    x = 3,778,242,492.00/70,606.19
  6. Step 6: Final answer
    x = 53,511.49

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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.