Home / 93,430.72-128,937.96-53,148.22

Finding the Fourth Proportional to 93,430.72, 128,937.96 and 53,148.22

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Solution

The fourth proportional to 93,430.72, 128,937.96 and 53,148.22 is: 73,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,430.72 : 128,937.96 = 53,148.22 : x
  2. Step 2: Convert to fraction form
    93,430.72/128,937.96 = 53,148.22/x
  3. Step 3: Cross multiply
    93,430.72x = 128,937.96 × 53,148.22
  4. Step 4: Simplify right side
    93,430.72x = 6,852,823,064.43
  5. Step 5: Solve for x
    x = 6,852,823,064.43/93,430.72
  6. Step 6: Final answer
    x = 73,346.57

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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.