Home / 64,913.54-89,581.34-38,056.77

Finding the Fourth Proportional to 64,913.54, 89,581.34 and 38,056.77

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Solution

The fourth proportional to 64,913.54, 89,581.34 and 38,056.77 is: 52,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,913.54 : 89,581.34 = 38,056.77 : x
  2. Step 2: Convert to fraction form
    64,913.54/89,581.34 = 38,056.77/x
  3. Step 3: Cross multiply
    64,913.54x = 89,581.34 × 38,056.77
  4. Step 4: Simplify right side
    64,913.54x = 3,409,176,547.81
  5. Step 5: Solve for x
    x = 3,409,176,547.81/64,913.54
  6. Step 6: Final answer
    x = 52,518.73

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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.