Home / 112,313.08-154,991.10-62,011

Finding the Fourth Proportional to 112,313.08, 154,991.10 and 62,011

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Solution

The fourth proportional to 112,313.08, 154,991.10 and 62,011 is: 85,574.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.08 : 154,991.10 = 62,011 : x
  2. Step 2: Convert to fraction form
    112,313.08/154,991.10 = 62,011/x
  3. Step 3: Cross multiply
    112,313.08x = 154,991.10 × 62,011
  4. Step 4: Simplify right side
    112,313.08x = 9,611,153,102.10
  5. Step 5: Solve for x
    x = 9,611,153,102.10/112,313.08
  6. Step 6: Final answer
    x = 85,574.66

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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.