Home / 93,421.32-128,924.16-50,982.58

Finding the Fourth Proportional to 93,421.32, 128,924.16 and 50,982.58

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Solution

The fourth proportional to 93,421.32, 128,924.16 and 50,982.58 is: 70,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,421.32 : 128,924.16 = 50,982.58 : x
  2. Step 2: Convert to fraction form
    93,421.32/128,924.16 = 50,982.58/x
  3. Step 3: Cross multiply
    93,421.32x = 128,924.16 × 50,982.58
  4. Step 4: Simplify right side
    93,421.32x = 6,572,886,301.13
  5. Step 5: Solve for x
    x = 6,572,886,301.13/93,421.32
  6. Step 6: Final answer
    x = 70,357.45

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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.